Plz paste your `uname -a` here.I think the output of "SUn ultra 24" is not i386/i486/i586/i686.Thus you can not use betaradio_0.1.1-1_i386.deb or 0.1.1-1_i386.deb directly on "SUn ultra 24".You should compile it from source.The project wiki has a installation guide.